A planet of mass 3 x 1024 kg is at location (6 × 10¹1, -4 x 10¹1, 0) m. A star of mass 4 x 1030 kg is at location (-4 × 10¹1, 4 x 10¹1, 0) m. It will be useful to draw a diagram of the situation, including the relevant vectors. (a) What is the relative position vector r pointing from the planet to the star? r= m (b) What is the distance between the planet and the star? |71 = m (c) What is the unit vector in the direction of r? ř -
A planet of mass 3 x 1024 kg is at location (6 × 10¹1, -4 x 10¹1, 0) m. A star of mass 4 x 1030 kg is at location (-4 × 10¹1, 4 x 10¹1, 0) m. It will be useful to draw a diagram of the situation, including the relevant vectors. (a) What is the relative position vector r pointing from the planet to the star? r= m (b) What is the distance between the planet and the star? |71 = m (c) What is the unit vector in the direction of r? ř -
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Transcribed Image Text:A planet of mass 3 × 1024 kg is at location (6 x 10¹1, –4 × 1011, 0) m. A star of mass 4 x 1030 kg is at location (-4 × 10¹1, 4 × 10¹1, 0) m. It will be useful to draw
a diagram of the situation, including the relevant vectors.
(a) What is the relative position vector pointing from the planet to the star?
{ =
(b) What is the distance between the planet and the star?
17:
= ثم
m
(c) What is the unit vector in the direction of r?
m
(d) What is the magnitude of the force exerted on the planet by the star?
Fon planet
N
=
(e) What is the magnitude of the force exerted on the star by the planet?
|Fon starl
N
=
(f) What is the force (vector) exerted on the planet by the star? (Note the change in units.)
Fon planet
x 102⁰ N
(g) What is the force (vector) exerted on the star by the planet? (Note the change in units.)
Fon star =
x 1020 N
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